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When you need extreme off-road capability, these 2014-2018 Sierra Mud Terrain tires certainly deliver. Each one has been designed to give you the performance edge once your truck leaves the pavement behind, so you can venture out into the great outdoors without worry. We offer a range of excellent brands, ensuring no matter which option you settle on, quality is built right in. One solid option is the NITTO Mud Grappler, which Nitto designed for extreme trail performance. Just at a glance, the massive and aggressive sidewall lugs stand out, plus they provide additional traction that really comes in handy when traversing over rocky terrain. Other useful features include a high void ratio so mud and dirt clears out quickly, a three-ply polyester sidewall that resists punctures and cuts, plus dual sidewall designs so you have choices when it comes to the outward appearance of your tire. You can also consider the Mickey Thompson Baja MTZ Mud Tire, which has a completely unique tread compound reinforced by silica. That means your truck performs great on wet, slippery surfaces and the tire lasts longer. A combination of stone ejector ribs and variable draft angles means this tire doesn't retain stones easily, preventing serious damage. The four-pitch sidebiter pattern protects against obstacles and even boosts traction further. When crawling over rocks and other uneven surfaces on a trail, the decoupling groove that's integrated into this tire's design allows the tread to flex and wrap around the object, which boosts traction and reduces any heat buildup.